In the following change, \( 3 \mathrm{Fe}+4 \mathrm{H}_{2} \mathrm{O} \longrightarrow \) \( \mat...

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In the following change, \( 3 \mathrm{Fe}+4 \mathrm{H}_{2} \mathrm{O} \longrightarrow \) \( \mathrm{Fe}_{3} \mathrm{O}_{4}+4 \mathrm{H}_{2} \). If the atomic weight of iron is \( 56 \) , then its equivalent weight will be:
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